Reland 15721002: Hook up the device selection to the WebAudio live audio

media/audio/cras/audio_manager_cras.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/audio/cras/audio_manager_cras.h"
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/nix/xdg_util.h"
@@ skipping 56 matching lines @@
                       AudioManagerBase::kDefaultDeviceId));
 }
 
 AudioOutputStream* AudioManagerCras::MakeLinearOutputStream(
     const AudioParameters& params) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
   return MakeOutputStream(params);
 }
 
 AudioOutputStream* AudioManagerCras::MakeLowLatencyOutputStream(
-    const AudioParameters& params) {
+    const AudioParameters& params, const std::string& input_device_id) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format());
+  // TODO(dgreid): Open the correct input device for unified IO.
   return MakeOutputStream(params);
 }
 
 AudioInputStream* AudioManagerCras::MakeLinearInputStream(
     const AudioParameters& params, const std::string& device_id) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
   return MakeInputStream(params, device_id);
 }
 
 AudioInputStream* AudioManagerCras::MakeLowLatencyInputStream(
@@ skipping 32 matching lines @@
     const AudioParameters& params) {
   return new CrasUnifiedStream(params, this);
 }
 
 AudioInputStream* AudioManagerCras::MakeInputStream(
     const AudioParameters& params, const std::string& device_id) {
   return new CrasInputStream(params, this);
 }
 
 }  // namespace media